It’s not clear what he’ll be doing at Amazon, but The Verge speculates Parviz will be working on optical technology and possibly augmented reality. Amazon recently showed off a new Fire Phone that uses sophisticated cameras and sensors to adapt to a user’s perspective and recognize nearby objects.

Parviz is best known for helping to oversee development of Glass through its early days as a project of Google’s moonshot division, known as [x]. He also was one of the scientists who worked on the smart contact lens that Google [x] showed off earlier this year, which is designed to monitor glucose levels in a wearer’s tears – as a less painful alternative to drawing blood, for diabetics who need to check their levels every day.

“Having worked at companies ranging from tiny start-ups to huge corporations and universities in Europe and the US, I have found each one to be fun in its own unique way. I founded and led a few efforts at Google (among them, Google Glass and Google Contact Lenses are public so far 🙂 prior to moving to Amazon and work on a few other things now…”